Home / 40,156.71-55,415.61-22,251.66

Finding the Fourth Proportional to 40,156.71, 55,415.61 and 22,251.66

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Solution

The fourth proportional to 40,156.71, 55,415.61 and 22,251.66 is: 30,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.71 : 55,415.61 = 22,251.66 : x
  2. Step 2: Convert to fraction form
    40,156.71/55,415.61 = 22,251.66/x
  3. Step 3: Cross multiply
    40,156.71x = 55,415.61 × 22,251.66
  4. Step 4: Simplify right side
    40,156.71x = 1,233,089,312.41
  5. Step 5: Solve for x
    x = 1,233,089,312.41/40,156.71
  6. Step 6: Final answer
    x = 30,706.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.